What is the Greatest Common Factor of 45625 and 45640?

Greatest common factor (GCF) of 45625 and 45640 is 5.

GCF(45625,45640) = 5

We will now calculate the prime factors of 45625 and 45640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45625 and 45640.

How to find the GCF of 45625 and 45640?

We will first find the prime factorization of 45625 and 45640. After we will calculate the factors of 45625 and 45640 and find the biggest common factor number .

Step-1: Prime Factorization of 45625

Prime factors of 45625 are 5, 73. Prime factorization of 45625 in exponential form is:

45625 = 5⁴ × 73¹

Step-2: Prime Factorization of 45640

Prime factors of 45640 are 2, 5, 7, 163. Prime factorization of 45640 in exponential form is:

45640 = 2³ × 5¹ × 7¹ × 163¹

Step-3: Factors of 45625

List of positive integer factors of 45625 that divides 45625 without a remainder.

1, 5, 25, 73, 125, 365, 625, 1825, 9125

Step-4: Factors of 45640

List of positive integer factors of 45640 that divides 45625 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 5705, 6520, 9128, 11410, 22820

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45625 and 45640. The biggest common factor number is the GCF number.
So the greatest common factor 45625 and 45640 is 5.

Also check out the Least Common Multiple of 45625 and 45640